Hello. In Fedora, we try to build this package with Python 3.14.0a3. We see test errors, on 0.19.0 as well as the current main branch. To reproduce, I did: [msgspec (main)]$ uv venv ...
On Linux 3.11 beta 1 there is a novel failure in MP-driven code that is not present in 3.10 - 3.6 Found as part of experimental build failures in PyBuilder (pybuilder ...